[2o]-[2t]-y 2 [2t]- [2w]-[2t]-y 2 [2t]- [3w]-[3w] t y 3 [3i]- [3u]-[3i]-u [3y] [3t]- [4o]-[4t]-y 4 [4t]- [4w]-[4t]-y 4 [4t]- [5w]-[5w] t y 5 [5i]- u-i-u y t- [2s] 2 [2s] d [2f] 2 s 2 [2d] 2 d [2f] [2d] 2 s 2 [3f] 3 [3f] g [3h] 3 l 3 [3j] 3-3 [3h] 3-3 [4s] 4 [4s] d [4f] 4 s 4 [4d] 4 d [4f] [4d] 4 s 4 [5f] 5 [5f] g [5h] 5 l 5 [6j] 6-6 [7k] 7-7 [8l]